Home / 115,360.39-159,203.37-67,629.07

Finding the Fourth Proportional to 115,360.39, 159,203.37 and 67,629.07

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Solution

The fourth proportional to 115,360.39, 159,203.37 and 67,629.07 is: 93,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,360.39 : 159,203.37 = 67,629.07 : x
  2. Step 2: Convert to fraction form
    115,360.39/159,203.37 = 67,629.07/x
  3. Step 3: Cross multiply
    115,360.39x = 159,203.37 × 67,629.07
  4. Step 4: Simplify right side
    115,360.39x = 10,766,775,853.97
  5. Step 5: Solve for x
    x = 10,766,775,853.97/115,360.39
  6. Step 6: Final answer
    x = 93,331.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.